Please storm heaven with prayers

Please pray for dad this morning. We've had a setback and dad should soon be taken back into surgery. His blood pressure dropped dangerously low, and they believe he may be bleeding internally. We've had many good days lately, so this regression did take us by complete surprise. (even though we knew this was a roller coaster) Right now the ICU doctors are working feverishly to reinsert lines and give dad more blood. Dr. Duke had a medical procedure done on himself yesterday, so we pray that he is up for this and will be able to find and fix the problem. Thanks to all of you and I'll update again when more information is available.